Font size
WorksheetsCQA #1 Review
Total questions: 20
Worksheet time: 11mins
Identify the graphing instructions which are correctly matched.
IV: x-axis
DV: x-axis
IV: y-axis
DV: y-axis
The more mass an object has, the more ________ it also has.
matter
volume
density
weight
space
The density of a metal is 1.35 g/mL and has a volume of 2.5 mL. Calculate the mass.
0.54 g
1.85 g
3.38 g
3.85 g
1.15 g
Analyze the following measurements and determine which of the following are true in terms of accuracy and precision: 1.25cm 1.24cm 1.26cm
True Value: 1.24cm
Precise
Accurate
Both accurate and precise
Neither accurate nor precise
Choose all that apply: Which would be classified as quantitative data?
32 inches
brown hair
lean build
135 lbs
Determine which of the following statements is false about pseudoscience.
Pseudoscience is also known as “fake science.”
Pseudoscience lacks accurate and precise data and evidence.
Pseudoscience is logical, unbiased, and based on objective data.
Pseudoscience is based on subjective reasoning.
Pseudoscience tries to create mystery in its reasoning.
The variable which is intentionally (choose to/on purpose) changed is the _______________.
Independent
Dependent
Control
Hypothesis
Draw a conclusion as to which step of the scientific method is being described below:
Erica measured the number of flowers on the bush each day for 3 weeks.
Observation
Hypothesis
Experimentation
Conclusion
State what type of graph a scientist should use to show change over time.
Bar graph
line graph
circle graph
pie chart
Recall what an explanation based on observations is called?
qualitative observation
inference
quantitative observation
prediction
Choose all that apply: Given the following scenario, determine which are correctly paired.
Jennifer wanted to test how amount of light effected fruit production.
IV - Jennifer
IV – Amount of Light
DV - Fruit
DV - light
A block of wood has a density of 3.45 g/cm3. Its dimensions are 1.5 cm x 1.5 cm x 2.0 cm. Calculate its mass in grams.
15.5 g
4.5 g
0.77 g
1.3 g
When graphing continuous data (example: time it takes for sponge animal to grow), determine which would be the most appropriate type of graph.
Bar
Line
Scatter
None of These
Calculate average rainfall per month if the following data was collected.
28.7
7.2
13.5
5.7
Choose all that apply: Determine which of the following are correctly paired.
Observation – There are 14 flowers in the flower pot.
Observation – Flowers grow best in the sunlight.
Inference – There are gray clouds outside, which means rain.
Inference - The grass is green.
Differentiate the difference between an observation, inference, and prediction by choosing the prediction(s).
The lady’s hair is old.
She is walking with a walker.
The lady is old.
The lady is weak.
The lady will die soon.
Choose all that apply: Drew made observations while visiting the pet store. Formulate which of the following is a quantitative observation he may have made?
The store has 15 exotic birds.
The dogs are fed at 4:00 in the afternoon.
The store’s employees wear blue aprons.
There are 10 more cats than rabbits.
Choose all that apply: When designing an experiment, which of the following would be the first step?
Develop a hypothesis
Posing a question
Designing an experiment
Collecting data
Recognizing a problem
The amount of matter in a given space is identified as ____________.
mass
volume
density
weight
Determine which of the following is a FALSE statement about lab safety practices.
A scientist should work in the lab alone.
A scientist should wear close-toed shoes in the lab.
A scientist should tie back loose hair, clothing or jewelry.
A scientist should read hazard labels on tools, chemicals, and materials.
